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6H6

Sensibly equivalent to:
CV1930 D63 VT-90
See also:
Metal Striptease, The 6H6 Diode Family
    
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The 6H6 is the smallest of the metal valves. In the metal envelope, and sharing a common heater connection are two separate signal diodes. Such a device could be used in FM demodulation and a host of other low level rectification. An American television textbook of 1950 uses these valves extensively as level clamping diodes.
The dome carries the Type.
The thin metal tube envelope is 25 mm in diameter and, excluding the IO base pins, is 29 mm tall.
References: Datasheet & 1040. Type 6H6 was first introduced in 1935.

 

Pin Connections
IO
1
2
3
4
5
6
7
8
m
h
a(2)
k(2)
a(1)
-
h
k(1)

 

Absolute Maximum Operating Conditions
Diode
Vh
Ah
Va
mAa
6.3
0.3
150
8
Thanks to Frank Philipse for supplying the above PDF datasheet.
Updated January 19, 2018.
shape:thin.metal.tube construction:glass.disc type:double.diode age:1940.1950 base:io heater:6.3v pins:8 pin:1.m pin:2.h pin:3.a(2) pin:4.k(2) pin:5.a(1) pin:6.- pin:7.h pin:8.k(1)
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